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How do you weigh a galaxy? Especially the one you're in?

June 6, 2018

A new technique promises more reliable estimates of the masses of galaxies, according to a paper published in the Astrophysical Journal. The study is the first to combine full 3D motions of several of the Milky Way's satellite galaxies with computer simulations to constrain the mass of the Milky Way.Full Story

SourceUniversity of Arizona

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2018, its budget is $7.8 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 50,000 competitive proposals for funding and makes about 12,000 new funding awards.